baber/WOPTO huggingface dataset:
Patent KR-20020058909-A (KR)
Title: A method for controlling oil circulation of an engine and a system thereof
Inventor: CHOI MYEONG SIK
IPC: F01M1/20
Filed: 2000-12-30
Abstract: PURPOSE: A method and system for engine oil circulation is provided to smoothly start up an engine by reducing the load of an oil pump applied to the engine at startup of the engine. CONSTITUTION: A system for engine oil circulation comprises an oil temperature sensor(27) mounted at the bottom of an oil pan to detect the temperature of oil stored in the oil pan, an oil pressure sensor(14) detecting the pressure of oil discharged from an oil pump, an engine operation state detecting part(29) detecting the engine RPM and load, an oil pressure control valve mounted at one side of the oil pump to bypass oil when the pressure of oil supplied from the oil pump is over the fixed pressure, a solenoid valve(28) installed at a bypass pipe to control the withdrawal of oil bypassed from oil pressure control valve to the oil pan, and a control unit(30) controlling the operation of the solenoid valve on the basis of the data input from the sensors and the engine operation state detecting part.
Patent KR-20020057264-A (KR)
Title: Apparatus and Method for remote power cut-off of mobile station in mobile communication system
Inventor: LEE HYEONG CHAN
IPC: H04B7/26
Filed: 2000-12-30
Abstract: PURPOSE: A device and a method for remotely cutting off power of a mobile telecommunication terminal are provided to enable a base station to remotely cut off power of the terminal by transmitting a power cut-off signal, thereby reducing load of the base station and efficiently using resources of the base station. CONSTITUTION: A user inputs a talk-button of a mobile telecommunication terminal for calling(S11). The mobile telecommunication terminal transmits an origination signal for calling to a base station(S13). It is determined whether a power cut-off signal of the terminal is received from a base station(S15). If not, a normal call process is performed(S17). If received, it is regarded as the user exceeds the limit of use amount, so that a power control part connected to an MSM(Mobile Station Modem) is operated(S19). The power control part cuts off power applied to the terminal(S21).
Patent KR-20010023162-A (KR)
Title: 반도체장치 및 그 제조방법
IPC: H01L21/02
Filed: 1998-08-21
Abstract: 강유전체의 히스테리시스 특성이 열화하기 어렵고, 또한, 고습도 상태에 있어서의 신뢰성이 높은 반도체장치 및 그 제조방법을 제공한다. 
     강유전체 콘덴서(Cf)를 덮도록 치밀한 실리콘 질화막에 의해 구성된 패시베이션막(42)이 형성되어 있다. 이 때문에, 외부로부터의 수분의 침입을 방지할 수가 있다. 또, 패시베이션막(42)의 성막가스중의 수소를 포함하는 가스인 SiH 4 및 NH 3 의 용량%를 낮게 설정하고 있다. 또, 패시베이션막(42)에 포함되는 수소농도가 낮게 되도록 설정하고 있다. 또한, 강유전체 콘덴서(Cf)의 상부 전극(36)은, IrO 2 , Ir을 이러한 순서대로 쌓아올린 2층 구조의 전극이다. 이 때문에, 성막공정에 있어서의 수소의 발생량이나, 성막 후에 있어서의 패시베이션막(42)중의 수소가 적다. 또한, 수소가 강유전체층(34)에 도달하는 것을 어느 정도 방지할 수가 있다. 즉, 수소로 인한 강유전체 콘덴서(Cf)의 히스테리시스 특성의 열화를 억제할 수가 있다.
Patent KR-20010023559-A (KR)
Title: 방향족 화합물의 분리 방법 및 이를 위한 기존 설비의개장 방법
IPC: C10G53/16
Filed: 1998-09-02
Abstract: 방향족 및 비-방향족 화합물을 함유하는 혼합물로부터 방향족 화합물을 회수하는 개선된 방법 및 이를 위한 기존 설비 개장 방법이 제공된다.  개선된 방법은 혼성 추출 증류/액체-액체 추출기 장치 및 이의 변형의 병용을 통해 방향족 화합물을 회수하는 단계를 포함한다.  개선된 방향족 회수 방법과 함께 사용하기 위한 기존 회수 방법 설비를 신속하고 경제적으로 개장하는 방법이 또한 제공된다.
Patent KR-20010032923-A (KR)
Title: 무선 통신 시스템에서 신호 특성을 예측하는 방법 및 장치
IPC: H04B17/00
Filed: 1998-08-21
Abstract: 장치는 마이크로 셀룰러 송신기(34) 및 매크로 셀룰러 송신기(312)의 표현을 저장하는 메모리(50)를 구비한다.  마이크로 셀룰러 송신기의 표현은 제1신호의 표현을 송신하도록 구성되고, 매크로 셀룰러 송신기의 표현은 제2신호의 표현을 송신하도록 구성된다.  데이터 베이스(51)는 메모리에 응답한다.  데이터 베이스는 다수의 데이터 구조를 갖고, 다수의 데이터 구조는 지리학적 영역의 맵을 포함한다.  소정의 위치(11)는 맵 상에 위치결정된다.  크기를 갖고 평면을 규정하는 적어도 3개의 포인트를 포함하는 패싯(600)은 소정의 위치와 관련된다.  제1(53) 및 제2(54) 명령 세트는 제1 및 제2신호의 특성을 계산하는데 이용할 수 있다.  메모리 및 데이터 베이스에 응답하는 프로세서(52)는 제1명령 세트와 제2명령 세트중 하나를 사용하여 소정의 위치에서의 특성을 계산한다.
Patent KR-20010052132-A (KR)
Title: 연장 피드를 구비한 축소가능한 무선전화기 안테나
IPC: H04W88/02
Filed: 1998-12-18
Abstract: 축소가능한 안테나 시스템을 구비한 무선전화기가 개시되어 있는데, 상기 무선전화기는 하우징, 상기 하우징 내에 배치된 송수신기, 상기 송수신기에 전기적으로 결합되는 이용자 인터페이스, 하우징 내에 이동할 수 있게 장착되며 상기 하우징으로부터 연장할 수 있어 연장된 위치와 축소된 위치를 갖는 비-방사형 피드 및, 안테나를 포함한다. 비-방사형 피드는 안테나와 전기적으로 결합하며, 접속 수단을 구비하여 송수신기를 상기 비-방사형 피드에 결합한다. 한 실시예에 있어서, 안테나는 물리적으로 비-방사형 피드에 의해 지지되므로, 비-방사형 피드가 연장된 위치에 있으면 연장된 상태로 장착되고, 상기 비-방사형 피드가 축소된 위치에 있으면 축소된 상태로 장착된다. 상기 안테나는 연장된 상태와 축소된 상태 모두에서 거의 동일한 전기적인 길이를 가지며, 안테나가 연장된 상태에 있을 때 무선전화기의 하우징과 사실상 절연되는 것이 바람직하다.
Patent KR-20010041135-A (KR)
IPC: G01N33/566
Filed: 1999-02-05
Abstract: Assay methodology of the invention allows for: (1) determining if a sample contains a conformation of a protein which is associated with disease and the concentration and amount of such if present; (2) determining the amount of proteas resistant disease related protein in a sample and by subtracting that amount from the total amount of a disease related protein present determining the amount of protease sensitive disease protein in the sample; and (3) determining the strain and incubation time of a disease related protein by (i) relating the relative amounts of protease resistant and protease sensitive protein to known strains to thereby determine the strain; and (ii) plotting the concentration of protease sensitive protein on a graph of incubation time versus concentration of protease sensitive protein for known strains to predict the incubation time of an unknown strain of protein in a sample.
Patent KR-20010042388-A (KR)
Title: 카메라 비디오 또는 필름으로부터 텔레비젼 신호를 역비월주사하기 위한 시스템
IPC: H04N5/44
Filed: 1999-03-31
Abstract: 본 발명은 비월 주사(interlace) 텔레비젼 디스플레이 방식을 순차 주사(progressive scan) 또는 비비월 주사(non-interlace) 디스플레이 방식으로 변환하기 위한 방법 및 장치(도 9)에 관한 것으로서, 신호원이 텔레비젼 컨버터로의 영화 필름, 영화의 비디오 레코딩, 라이브 카메라 또는 비디오 레코딩 시스템에 포획된 카메라 출력, 또는 상기의 어떠한 시퀀스일 때 3개의 동작 검출 단계(도 2)를 이용함으로써 인조 잡상이 제거 된다.
Patent KR-20010071318-A (KR)
Title: 유체를 이용하여 플랫패널 표시장치를 세척하는 방법과 장치
IPC: C03C23/00
Filed: 1999-05-13
Abstract: 본 발명에서는 고압하에서 몰분율 지배성분을 갖는 유체를 이용하여 플랫패널 표시장치의 구성요소를 세척하고, 세척동작은 그 절대압력이 지배성분의 삼중점에서의 절대압력을 초과하고 상기 지배성분의 임계점에서의 절대압력값의 적어도 20%가 되는 동안 세척 유체에 상기 구성요소를 접하게 함으로써 수행되며, 상기 세척 유체의 온도 및 압력은 지배성분의 초임계상태를 향한 방향으로 대개 제어되는 것을 특징으로 한다.
Patent KR-20010078755-A (KR)
Title: 레이저 클래딩 장치 및 방법
IPC: B23K26/00
Filed: 1999-06-22
Abstract: 본 발명은 레이저 클래딩 시스템(102)을 사용하여 기판 상의 국부 스폿을 가열하여 기판 상에 재료 조립체를 축적시켜 재료의 공급으로 물리적 치수를 가진 침전물이 생성되는 용탕 풀을 형성하는 것에 관한 것이다.  애퍼춰 마스크를 통해 수광하는 광전기 센서에 결합된 광 검출 수단을 사용하여 침전물의 물리적 치수를 모니터하고, 피드백 제어장치(104)가 레이저를 상기 전기 신호에 따라 조정함으로써 재료 침전율이 제어된다.  바람직한 실시예에 있어서, 물리적 치수는 침전물의 높이이고, 시스템은 조립될 제품에 대한 설명서를 포함하는 CAD(computer-aided design) 시스템 인터페이스(106)를 추가로 포함함으로써 피드백 제어장치(104)가 침전물의 물리적 치수와 설명서를 비교하여 레이저(110) 에너지를 조정할 수 있다.  피드백 제어장치(104)는 레이저(110)를 조정하는 회로를 포함한다.
Patent KR-20020059161-A (KR)
Title: Method for forming the bit line contact in semiconductor device
Inventor: CHOI DONG GU
IPC: H01L21/28
Filed: 2001-01-03
Abstract: PURPOSE: A bit line contact formation method of semiconductor devices is provided to prevent a stop of an etching during a contact formation process by using two-step etching processes. CONSTITUTION: A bit line is formed by sequentially depositing a conductive layer(120) and a hard mask(130) on a semiconductor substrate(110). A spacer(140) is formed at both sidewalls of the bit line. A first interlayer dielectric(150), an etch stopper(160) and a second interlayer dielectric(170) are sequentially formed on the resultant structure. A contact hole(190) is then formed by using two-step contact etching processes. That is, a first contact etching is performed to expose the etch stopper(160) by using a photoresist layer(180) as a mask. A second contact etching is carried out to expose the conductive layer(120) by using the photoresist layer as a mask.
Patent KR-20020063020-A (KR)
Title: Method for Preparing Thin Fiber -Structured Polymer Webs
Inventor: CHO SEONG MU
IPC: D04H1/724
Filed: 2001-01-26
Abstract: PURPOSE: Provided is a process for producing a fine fiber state polymer web at high velocity in large quantities by electrospinning, therefore the produced fine fiber state polymer web can be used for a separator or an electrolyte membrane of a secondary battery, a filter, a medical wound dressing, a medical barrier web, and etc. CONSTITUTION: The process comprises the steps of: preparing a polymer solution by dissolving a polymer in a volatile polymer solvent; electrospinning the polymer solution; obtaining the fine fiber state polymer web accumulated on a collector. The volatile solvent is at least one selected from the group consisting of acetone, chloroform, ethanol, isopropanol, methanol, toluene, tetrahydrofuran, water, benzene, and etc. And the polymer is at least one or two selected from the group consisting of poly(vinylidene fluoride), poly(vinylidene fluoride-co-hexafluoropropylene), polyacrylonitrile, poly(acrylonitrile-co-methacrylate), polymethylmethacrylate, polyvinylchloride, and etc.
Patent KR-20020063355-A (KR)
Title: Method for dectecting realtimely being infected with computer virus
Inventor: LIM HYOUNG TAEK
IPC: G06F15/00
Filed: 2001-01-27
Abstract: PURPOSE: A method for detecting an unknown computer virus in real time is provided to inform a user of the infection and send the infection to a report center when the infection is occurred while monitoring the infection activity of the virus in real time. CONSTITUTION: At the system booting, the system area information is stored in a file(100). During using a computer, in case that the record exists in the system area, a real time monitoring program compares with the stored system area information(200). After the comparison, if the system area information is changed, the program alerts to the user and sends the changed information to a virus report center(700, 800). In case of a file open or read event, the program reads the file information and stores in a file. In case of a file close or write event, the program compares the file information with the previously stored file information. If the file information is changed, the program alerts to the user, and sends the changed information to the virus report center. An automatic anti-virus engine creating tool creates the anti-virus engine, and the virus or the backdoor is cured by updating the anti-virus program.
Patent KR-20010078131-A (KR)
Title: Functional composition, functional resin composition, and functional molding
Inventor: INOUE SHINICHI
IPC: A61L9/013
Filed: 2001-01-29
Abstract: PURPOSE: A functional composition that effectively prevents an increase in grain size of grains by secondary agglutination in a mixture system of a plant-derived functional component and a ceramics component, a functional resin composition that uses the functional composition comprising the mixture grains and is applicable to various purposes, and especially, a functional molded article made of the functional composition comprising the mixture grains are provided. CONSTITUTION: The functional composition comprises a mixture of a functional component(A) derived from a plant, for example, catechins, a pulverized plate-like mineral(T) having low hardness and a cleaving characteristic, for example, pulverized talc, and a ceramics component(C) other than the pulverized platelike mineral(T). The functional resin composition further comprises a resin R and/or a molded material of the resin(R) mixed with those components. The functional molded article may be a composite molded product of, for example, a sheath-core junction type.
Patent KR-20020010442-A (KR)
Inventor: AOYAMA TORU
IPC: H01L21/00
Filed: 2001-01-31
Abstract: PURPOSE: A substrate processing apparatus and method are provided to prevent an adhesion of fine impurities or particles on a substrate and to improve a uniformity of line-width between substrates. CONSTITUTION: On top of respective areas divided by partition plates, that is, a cassette station(2), a processing station(3), and an interface section(4) in a coating and developing processing system, gas supply sections(70,71,72) for supplying an inert gas into the respective areas are provided. Exhaust pipes(75,76,77) for exhausting atmospheres in the respective areas are provided at the bottom of the respective areas. The atmospheres in the respective areas are maintained in a clean condition by supplying the inert gas not containing impurities such as oxygen and fine particles from the respective gas supply sections into the respective areas and exhausting the atmospheres in the respective areas from the exhaust pipes(75,76,77).
Patent KR-20020038442-A (KR)
Title: Friction stir welding method
Inventor: EZUMI MASAKUNI
IPC: B23K103/10
Filed: 2001-02-14
Abstract: PURPOSE: To provide a method for friction stir welding in which the generation of a defect is suppressed. CONSTITUTION: The end part of a plate 11 and the end part of a fringe member 520 are butted. A fragment 525 which is lapped with the rear face of a plate 21 is projected from the fringe member 520. The fringe member 520 has a outwardly projecting part 523. The friction stir welding is performed by inserting a rotating tool 50 from theside the projecting part 523. The direction of rotation of the rotating tool 50 is clockwise looking from the side of the larger diameter part 51. The moving direction of the rotating tool 50 is directed from the surface to the back of the paper in Fig. 1. The pressure of fluidized metal on the right hand side of the axis of the rotating tool 50 shown in Fig. 1 is higher. The lapped faces of the plate 21 and the projecting fragment 525 are on the side where the pressure of the metal is higher. The projecting part 523 is on the left side of the axis of the rotating tool 50. Thus, the formation of a continuous oxidized layer and a notch at the lapped faces are prevented.
Patent KR-20020068571-A (KR)
Inventor: JUNG DAE HUI
IPC: F25D23/00
Filed: 2001-02-21
Abstract: PURPOSE: A device for controlling noxious insect of refrigerator is provided to prevent incursion and inhabitation of the noxious insect around a machine room. CONSTITUTION: A device includes a storage space where food is stored; a lamp installation part(47) installed on one side of the storage space to illuminate the storage space; and an ultrasonic oscillator(52) installed on one side of the lamp installation part to generate ultrasonic waves noxious insect hate for preventing inhabitation of noxious insect around a refrigerator during a compressor works for reliability of the ultrasonic oscillator or always when the refrigerator is turned on if durability of ultrasonic oscillator is reliable enough.
Patent KR-20010091900-A (KR)
Inventor: BATSON KEVIN A
IPC: G11C8/16
Filed: 2001-02-21
Abstract: PURPOSE: A multi-ported memory is provided to receive synchronous and asynchronous memory requests by using an asynchronous and synchronous protocol, and to process the received synchronous and asynchronous memory requests simultaneously so that it can support concurrent activities over multiple channels, including both synchronous and asynchronous operations. CONSTITUTION: The device comprises a synchronous write data bus(112), a synchronous read data bus(114), a synchronous read address bus(116), a synchronous write address bus(118), a synchronous read command bus(120), a synchronous write command bus(122), a synchronous read acknowledge bus(124), a synchronous write acknowledge bus(126). The synchronous write data bus(112) supplies data(SYNCWRDATA) to an MRASR(Multi-Request Asynchronous/Synchronous RAMs, 110a-n) during a synchronous write to the MRASR(110a-n). The synchronous read data bus(114) receives data(SYNCRDDATA) from the MRASR(110a-n) during a synchronous read from the MRASR(110a-n). The synchronous read address bus(116) supplies to the MRASR(110a-n) an address (SYNCRDADDR) of data stored within the MRASR(110a-n) that is to be synchronously read from the MRASR(110a-n). The synchronous write address bus(118) supplies to the MRASR(110a-n) an address (SYNCWRADDR) of a memory location within the MRASR(110a-n) where data is to be synchronously written to the MRASR(110a-n). The synchronous read command bus(120) supplies a synchronous read command(SYNCRD) to the MRASR(110a-n). The synchronous write command bus(122) supplies a synchronous write command(SYNCWR) to an MRASR(110a-n). The synchronous read acknowledge bus(124) receives an acknowledge signal(SYNCRDACK) from the MRASR(110a-n) that a synchronous read command submitted to the MRASR(110a-n) has been performed by the MRASR(110a-n). The synchronous write acknowledge bus(126) receives an acknowledge signal(SYNCWRACK) from the MRASR(110a-n) that a synchronous write command submitted to the MRASR(110a-n) has been performed by the MRASR(110a-n).
Patent KR-20020069830-A (KR)
Title: Method for forming trench of semiconductor device
Inventor: NAM GI UK
IPC: H01L21/76
Filed: 2001-02-28
Abstract: PURPOSE: A method for fabricating a trench of a semiconductor device is provided to eliminate a cluster of a photoresist layer by additionally performing an oxygen plasma etch process after the photoresist layer is patterned, and to control a cone-type defect under the trench by using oxygen and argon in addition to fluorine in etching a buffer nitride layer. CONSTITUTION: A pad insulation layer and a buffer nitride layer(23) are sequentially formed on a substrate(21). A patterned photoresist layer is formed on the buffer insulation layer. The cluster of the photoresist layer(24) is removed by an oxygen plasma etch process. The buffer insulation layer is etched by using etch gas including fluorine, oxygen and argon while the patterned photoresist layer is used as a mask. A predetermined depth of the pad insulation layer and the substrate is etched to form the trench by using the patterned photoresist layer as a mask.
Patent KR-20010087241-A (KR)
Title: Hook assembly used for waist-adjusting mechanism of clothes and clothes having waist-adjusting mechanism
Inventor: KATO KOJI
IPC: A44B13/00
Filed: 2001-02-28
Abstract: PURPOSE: A hook assembly used for a waist adjusting mechanism of a garment and the garment are provided to freely adjust the waist size of the garment in a simple way without lowering the wear feeling and the appearance of the garment. CONSTITUTION: A front center opening(3) can be opened and closed by a zip fastener(F). The hook assembly(100) joins upper ends of the front center opening in a separable way and adjusts a waist size of pants(1) within a fixed range. An adjusting cloth(21) is sewed between one of fastener tapes(Fa) of the zip fastener and an outer cloth(3a) of the front center opening. The adjusting cloth has an overlap(21a) to provided an extra length on the waist size of the pants. The hook assembly adjusts the waist size of the pants so as to fit a waist size of a user. The overlap of the adjusting cloth is extended in a specified manner so as to adjust a size of the pants corresponding to a portion lower than the waist of the user.
Patent KR-20020070720-A (KR)
Title: A driving apparatus for micromirror
Inventor: CHOI HWAN YEONG
IPC: G02B26/02
Filed: 2001-03-02
Abstract: PURPOSE: An apparatus for driving a micro-mirror is provided to control simultaneously a resonance frequency and the amplitude of a micro-mirror by forming independently an electrode for controlling the resonance frequency and an electrode for controlling the amplitude of the micro-mirror. CONSTITUTION: The first electrode(115) controls the amplitude of a micro-mirror(110) by controlling the voltage for driving the micro-mirror(110). The second electrodes(120,121,122,123) controls a resonance frequency(f) of the micro-mirror(110). The micro-mirror(110) is formed with a reflective portion(110a) and a receiving groove(110b). A base electrode(113) is formed around the micro-mirror(110). The first and the second electrodes(115,120,121,122,123) interact with the base electrode(113) and electrostatic power is generated thereby. The micro mirror(110) is rotated by the electrostatic power.
Patent KR-20010100811-A (KR)
Title: 반도체 기억장치의 데이터 판독방법, 데이터 기입방법 및구동방법
IPC: G11C14/00
Filed: 2001-03-09
Abstract: 강유전체 콘덴서를 전계효과형 트랜지스터(FET)의 게이트에 접속한 반도체 기억장치에 있어서, 강유전체의 분극저하에 따른 보존을 개선할 수 있는 데이터 판독의 최적전압 설정방법을 제공한다. 
     FET의 임계전압값(Vti)에서의 게이트전하를 Qti라 하고, 강유전체 콘덴서의 분극값이 OC/㎠의 상태에서 전압을 증가하였을 때의 분극 대 전압특성(21)에 있어서, Qti에 상당하는 분극값이 얻어지는 전압값을 Vtf라 한다. 판독동작에서의 FET의 게이트 전하 대 게이트 전압특성(23)과 강유전체 콘덴서의 분극 대 전압특성(21)의 교점이 보존 후의 최악의 케이스 OC/㎠의 상태에서의 동작점이다. 제어전극에 Vtf + Vti 되는 전압을 인가하여 데이터를 판독함으로써 분극값이 OC/㎠로 저하될 때까지는 정확하게 데이터를 판독할 수 있다.
Patent KR-20020072347-A (KR)
Inventor: LEE JUN GANG
IPC: F25B41/06
Filed: 2001-03-09
Abstract: PURPOSE: An expansion device is provided to control flow amount of refrigerant bidirectionally and capacity over relatively wide range. CONSTITUTION: An expansion device is installed on a refrigerant circulation pipe between an indoor heat exchanger and an outdoor heat exchanger of a heating/cooling air-conditioning system for decompression, controlling flow amount and pressure balance of refrigerant circulating in a refrigerating cycle and comprises a short pipe(11) with linear type orifice hole(13) for controlling bidirectional flow of refrigerant flowing between the indoor heat exchanger and the outdoor heat exchanger; bypass holes(14,14') penetrating fixed positions on both sides of the short pipe perpendicularly to the orifice hole for controlling flow amount of the refrigerant flowing in the orifice hole; and conical guiding parts(15,15') placed on both sides of the orifice hole and formed to taper along flowing direction of the refrigerant to stably guide flow of the refrigerant to the orifice hole.
Patent KR-20020074671-A (KR)
Title: Artificial Intelligent Type Tire
Inventor: LIM YANG NAM
IPC: B60C9/00
Filed: 2001-03-21
Abstract: PURPOSE: An AI(Artificial Intelligence) tire is provided to extend the structural stability and the life by detecting an internal change and generating power and moment corresponding to an exceeded internal limit of tolerance. CONSTITUTION: Shape memory alloy layers(5) are included between a belt(1) and an edge capply(2) and between a sidewall portion(3) and a carcass layer(4). The shape memory alloy layers are formed by shape memory alloy wires. The shape memory alloy layer between the belt and the edge capply generates a shape memory effect over a critical temperature to prevent a belt separation and improve the structural stability in the end of the belt. The shape memory alloy layer between the sidewall portion and the carcass layer generates the shape memory effect when a tire contains lower air pressure than a provided air pressure to generate the recovering power for maintaining the tire in an original shape.
Patent KR-20020075136-A (KR)
Title: Construction Method of Approach Slab with Fixed End
Inventor: KIM JONG HAK
IPC: E01D19/00
Filed: 2001-03-23
Abstract: PURPOSE: A construction method for an approach slab having a fixed end is provided to prevent level difference between a bridge and pavement approaching to the bridge by reducing differential settlement between an abutment and a back-filling part and to prevent the damage of pavement and the lowering of trafficability. CONSTITUTION: The construction method for an approach slab having a fixed end comprises the steps of: tamping up to the upper side of back-filling materials of an abutment where an approach slab is installed; laying reinforcing bars to resist sectional force occurring to an end when a parapet wall of the abutment and an approach slab are coupled structurally; placing concrete to the approach slab, then curing the concrete surface to couple an approach of the abutment parapet wall structurally to function as a fixed end; and assembling reinforcing bars to the remaining part of the abutment parapet wall, then placing and curing concrete.